distialltion on 30 mL of a mixture of cyclohexane and toluene was perfromed. Their literature values ar given. You need to designate all distillation fractions and pot residue as mostly cyclohexane, mostly toluene, or a mixture Literature boiling point of cyclohexane (°C)80.7Literature boiling point of toluene (°C)110.6 Temperature range (°C)Volume of fraction (mL)CompositionFraction 172.0 – 77.00.61Fraction 277.0 – 82.03.95Fraction 382.0 – 87.04.55v Choose...mostly cyclohexaneFraction 487.0 – 92.02.71mostly tolueneFraction 592.0 – 97.02.17mixtureFraction 697.0 – 100.51.80Fraction 7100.5 – 105.52.70Fraction 8105.5 – 110.55.20Fraction 9110.5 – 115.54.26Fraction 10115.5 – 120.51.50Pot ResidueN/A0.95

the conversion of a liquid into vapour that is subsequently condensed back to liquid form is called…

Temperature range (°C) Volume of fraction (mL) Composition Fraction 1 72.0 – 77.0 0.61 Fraction 2 77.0 – 82.0 3.95 Fraction 3 82.0 – 87.0 4.55 v Choose... mostly cyclohexane Fraction 4 87.0 – 92.0 2.71 mostly toluene Fraction 5 92.0 – 97.0 2.17 mixture Fraction 6 97.0 – 100.5 1.80 Fraction 7 100.5 – 105.5 2.70 Fraction 8 105.5 – 110.5 5.20 Fraction 9 110.5 – 115.5 4.26 Fraction 10 115.5 – 120.5 1.50

Temperature range (°C) Volume of fraction (mL) Composition Fraction 1 72.0 – 77.0 0.61 Fraction 2 77.0 – 82.0 3.95 Fraction 3 82.0 – 87.0 4.55 v Choose... mostly cyclohexane Fraction 4 87.0 – 92.0 2.71 mostly toluene Fraction 5 92.0 – 97.0 2.17 mixture Fraction 6 97.0 – 100.5 1.80 Fraction 7 100.5 – 105.5 2.70 Fraction 8 105.5 – 110.5 5.20 Fraction 9 110.5 – 115.5 4.26 Fraction 10 115.5 – 120.5 1.50

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter9: Energy And Chemistry

Section: Chapter Questions

Problem 9.81PAE: 9.81 A substance has the following properties: Hfusion = 10.0 kJ/mol Hvaporiztion = 20.0 kJ/mol...

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9.81 A substance has the following properties: Hfusion = 10.0 kJ/mol Hvaporiztion = 20.0 kJ/mol Cp(solid) = 30 J/mol/K Cp(liquid) = 60 J/mol/K Cp(gas) = 30 J/mol/K Which of the four graphs below would he most consistent with these data? Explain how you are able to identify the correct graph.
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